K&N 33-2017 | Mazda RX-7 Air Filter

Part Number
Replacement Air Filter

Fits: 86-91 Mazda RX-7, 93-95 Mazda RX-7

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Only 3 left
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Estimated Ship Date: 1 Business Day or Less
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!



  • Replacement Air Filter
  • K/N s replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection| and are covered by K/N s 10-Year/Million Mile Limited Warranty.
  • Million Mile Limited Warranty
  • Washable And Reusable
  • Designed To Boost Horsepower And Acceleration
  • Replacement Air Filter
  • High Air Flow With Exceptional Filtration
  • Will Not Void Vehicle Warranty
  • Works With Original Equip. Mfg. Vehicle Electronics
  • Lasts Up To 50000 Miles Before Cleaning


Automotive Item GradeHigh Performance
Cap Outside DiameterN/A
ColorHeather Red
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.7 oz (50 ml)
Filter StyleDry
Flange Angle0 Degree
Frame DesignFlexible
Inner WireNo
Inside DiameterOEM
Item Height1.188 in. (30mm)
Item Weight1.500 lbs. (0.7 kg)
Machine WashableYes
Oil IncludedFilter Is Pre-Oiled
Outside DiameterOEM
Outside Length10.875 in. (276mm)
Outside Width10.250 in. (260mm)
Overall LengthN/A
Package Content1
Package Contents1 Air Filter, 1 K&N 1oz Sealing Grease
Package MaterialPaperboard
Package Quantity1
Package TypeBox
Product Box Height14.000 in. (356mm)
Product Box Length12.250 in. (311mm)
Product Box Width1.750 in. (44 mm)
Prop 65 (C, R or CR)CR
Prop 65 Warning Labelhttps://www.knfilters.com/images/l/prop65.jpg
TitleK&N 33-2017 Replacement Air Filter
Top StyleOpen
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Width10.250 in.

Panel| H-1.188 in.| L-10 7/8 in.| W-10.25 in.


  • Mazda: N32613Z40
  • STP Filters: SA6381
  • Precise Lines: PA4358
  • Luberfiner: AF524
  • Wix: 46256
  • Mazda: N35013Z40
  • Purolator: A44358
  • Fram: CA6381
  • ACDelco: A1155C
  • Balkamp: 6256
  • Mazda: N32613Z00
  • Ryco: A494
  • Mazda: N3Z113Z40
  • Mobil: AF524
  • Mazda: N23613Z00


  • 1993-1995 Mazda RX-7
  • 1986-1991 Mazda RX-7
Customer Questions
Can K&N filters get wet?
No, K&N filters should not get wet.
When to clean K&N air filter?
K&N air filters should be cleaned approximately every 50,000 miles (80,000 kilometers) or as recommended by the manufacturer.
Will K&N filter increase mpg?
It is possible for a K&N air filter to slightly improve fuel efficiency (MPG) under certain conditions.
What does K&N mean?
K&N stands for the names of the two founders of the company, Ken Johnson and Norm McDonald.
Please, mind that only logged in users can submit questions

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